Regions of transition

Question 1

What are the regions that provide passageways for important nerves, veins, and arteries and arteries that supply the lower limb?

Answer 1

Femoral triangle
Popliteal fossa
Tarsal tunnel

Question 2

What are the borders of the femoral triangle?

Answer 2

Base - inguinal ligament 
Medial - adductor longus
Lateral - sartorius 
Apex - adductor canal 
Floor - pectineus, adductor longus, illopsoas

Question 3

What are the borders for popliteal fossa?

Answer 3

Upper - Semitendinosus /semimembranosus, biceps femoris
Lower - Medial /lateral heads of the gastrocnemius
Floor - Popliteus, posterior knee joint capsule, tibia, femur

Question 4

What is the tarsal tunnel?

Answer 4

The region formed by the medial malleolus
Medial /posterior - talus
medial calcaneus
(inferior to sustentaculum tali)

Question 5

What are the contents of the femoral triangle?

Answer 5

Medial to lateral contents are

Femoral nerve, femoral artery, femoral vein

Question 6

What are the contents of the popliteal fossa?

Answer 6

Medial to lateral contents are

Popliteal artery, popliteal vein, tibial nerve, common fibular nerve

Question 7

What are the contents of the tarsal tunnel?

What keeps all of the contents in place?

Answer 7

Medial to lateral contents are 
Tibialis posterior
Flexor digitorium longus
Posterior tibial artery
Posterior tibial vein
Tibial nerve 
Flexor hallucis longus